Group A Streptococcal (GAS) Infections Differential Diagnoses

Updated: Aug 08, 2017
  • Author: Zartash Zafar Khan, MD, FACP; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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DDx

Diagnostic Considerations

Conditions to consider in the differential diagnosis of Group A Streptococcus infection include the following:

  • Mitral valve insufficiency

  • Nephritis

  • Osteomyelitis

  • Pneumonia

  • Acute rheumatic fever (ARF)

  • Rheumatic heart disease

  • Staphylococcus aureus infection

  • Cellulitis

  • Endometritis

  • Acute glomerulonephritis

  • Human immunodeficiency virus (HIV) disease

  • Infectious mononucleosis

  • Bacterial pharyngitis

  • Viral pharyngitis

  • Toxic shock syndrome (TSS)

  • Acute appendicitis

  • Epstein-Barr virus

  • Gastroenteritis

  • Multiple-organ system disease

  • Roseola

Differentials

Arthritis, Septic

Bacteremia

Bacterial Tracheitis

Empyema

Epiglottitis

Fever in the Toddler

Impetigo

Kawasaki Disease

Lymphadenitis

Lymphadenopathy